Rabbits Spawning Too Frequently

When I first arrived in the Taiga (I think) biome, there were sheep, pigs and other animals, and lots of rabbits. Eventually after hunting for a few days, rabbits seem to be all that are left.

Actually seems like an accurate predator v pray equation but the subtleties may be lost on other users.

Beta Text Line1: v0.15.90 alpha build 1 GuiScale-5
Beta Text Line2: LGE Nexus 5, Adreno (TM) 330, Android 6.0.1